Remove unused code

src/Fluxzy.Core.Pcap/Pcapng/Merge/PcapBlockWriter.cs

@@ -42,14 +42,15 @@ private PcapngStreamWriter InternalCreateWriter()
             return result;
         }
 
-        public void Write(ref DataBlock content)
+        private void InternalWrite(ReadOnlySpan<byte> data)
         {
-            if (_writer == null)
-            {
-                _writer = InternalCreateWriter();
-            }
+            _writer ??= InternalCreateWriter();
+            _outStream.Write(data);
+        }
 
-            _outStream.Write(content.Data.Span);
+        public void Write(ref DataBlock content)
+        {
+            InternalWrite(content.Data.Span);
         }
 
         public bool NotifyNewBlock(uint blockType, ReadOnlySpan<byte> buffer)
@@ -81,12 +82,7 @@ public bool NotifyNewBlock(uint blockType, ReadOnlySpan<byte> buffer)
                 || blockType == InterfaceDescriptionBlock.BlockTypeValue
                 )
             {
-                if (_writer == null)
-                {
-                    _writer = InternalCreateWriter();
-                }
-
-                _outStream.Write(buffer);
+                InternalWrite(buffer);
             }
 
             return true;

src/Fluxzy.Core.Pcap/Pcapng/Merge/SleepyStream.cs

@@ -7,7 +7,7 @@ namespace Fluxzy.Core.Pcap.Pcapng.Merge
     ///  It saves the last offset read and allows closing the file descriptor
     ///  in between reads.
     /// </summary>
-    internal class SleepyStream : IDisposable, IAsyncDisposable
+    internal class SleepyStream : IDisposable
     {
         private readonly Func<Stream> _streamFactory;
         private long _offset;
@@ -89,13 +89,5 @@ public void Dispose()
         {
             _pendingStream?.Dispose();
         }
-
-        public async ValueTask DisposeAsync()
-        {
-            if (_pendingStream != null)
-            {
-                await _pendingStream.DisposeAsync();
-            }
-        }
     }
 }

src/Fluxzy.Core.Pcap/Pcapng/Merge/SleepyStreamBlockReader.cs

@@ -2,7 +2,7 @@
 
 namespace Fluxzy.Core.Pcap.Pcapng.Merge
 {
-    internal abstract class SleepyStreamBlockReader : IBlockReader, IAsyncDisposable
+    internal abstract class SleepyStreamBlockReader : IBlockReader
     {
         private readonly SleepyStream _sleepyStream;
         private Option _nextBlockOption = new();
@@ -96,11 +96,6 @@ public void Dispose()
         {
             _sleepyStream.Dispose();
         }
-
-        public async ValueTask DisposeAsync()
-        {
-            await _sleepyStream.DisposeAsync();
-        }
     }
 
 

src/Fluxzy.Core.Pcap/Pcapng/Structs/IfMacAddressOption.cs

@@ -31,15 +31,5 @@ public int Write(Span<byte> buffer)
 
             return OnWireLength;
         }
-
-        public static IfMacAddressOption Parse(ReadOnlySpan<byte> buffer)
-        {
-            return new IfMacAddressOption(buffer.Slice(4, 6).ToArray());
-        }
-
-        public static int DirectWrite(Span<byte> buffer)
-        {
-            return new IfMacAddressOption().Write(buffer);
-        }
     }
 }

src/Fluxzy.Core.Pcap/Pcapng/Structs/StringOptionBlock.cs

@@ -51,14 +51,5 @@ public int Write(Span<byte> buffer)
 
             return OnWireLength;
         }
-
-        public static StringOptionBlock Parse(ReadOnlySpan<byte> buffer)
-        {
-            var optionLength = BinaryPrimitives.ReadUInt16LittleEndian(buffer.Slice(2));
-            var valueBuffer = buffer.Slice(4, optionLength);
-            string value = Encoding.UTF8.GetString(valueBuffer);
-
-            return new StringOptionBlock(BinaryPrimitives.ReadUInt16LittleEndian(buffer), value);
-        }
     }
 }

src/Fluxzy.Core.Pcap/Pcapng/Structs/TsResolOption.cs

@@ -30,15 +30,5 @@ public int Write(Span<byte> buffer)
 
             return 8;
         }
-
-        public static TsResolOption Parse(ReadOnlySpan<byte> buffer)
-        {
-            return new TsResolOption(buffer[4]);
-        }
-
-        public static int DirectWrite(Span<byte> buffer)
-        {
-            return new TsResolOption().Write(buffer);
-        }
     }
 }